The core activity of Ferrotherm AG is the performance of heat treatments for steel and iron, in particular vacuum hardening, annealing processes, hardening procedures and browning.
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Heat treatment for steel and iron
Heat treatment for steel and iron in north-eastern Switzerland, in particular vacuum hardening, annealing processes, hardening procedures and bluing for industrial components.
Vacuum hardening and tempering
Vacuum hardening and tempering for high-alloy steels with minimal distortion, a bright metallic surface and subsequent nitrogen quenching.
Conventional hardening and tempering
Conventional hardening and tempering of hardenable steels for tools and components to increase strength, level of hardness and wear resistance.
Hardening and tempering under protective gas
Hardening and tempering under protective gas to prevent unwanted edge oxidation in a controlled gas atmosphere.
Case hardening
Case hardening with gas carburizing for components such as gearbox and engine parts, with improved mechanical load capacity and defined case depth.
Annealing
Annealing of workpieces made of iron materials, optionally under vacuum or protective gas to prevent changes to the surface.
Soft annealing
Soft annealing for parts that will be further machined, as a targeted heat-treatment step before the next processing.
Normalizing
Normalizing for cast, hot-formed or welded workpieces to eliminate uneven microstructures and improve mechanical properties.
Stress relieving annealing
Stress relieving annealing of iron materials after welding, cold forming or machining to reduce residual stresses and distortion.
Recovery and recrystallization annealing
Recovery and recrystallization annealing as a heat-treatment process for targeted thermal treatment of workpieces without increasing strength.
Bluing
Bluing of iron and steel materials with dimensionally stable, deep-black surfaces; also as a post-treatment for hardened materials and for increased corrosion resistance by oiling.
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